$ curl -X GET 'https://brapi.dev/api/quote/CSAN3?range=1y&interval=1mo'

{
currency:"BRL"
marketCap:13206585124
shortName:"COSAN       ON      NM"
longName:"Cosan S.A."
regularMarketChange:0.14
regularMarketChangePercent:2.02
regularMarketTime:"2025-07-03T20:07:00.000Z"
regularMarketPrice:7.07
regularMarketDayHigh:0
regularMarketDayRange:"0 - 0"
regularMarketDayLow:0
regularMarketVolume:0
regularMarketPreviousClose:6.93
regularMarketOpen:6.87
fiftyTwoWeekRange:"0 - 14.45"
fiftyTwoWeekLow:0
fiftyTwoWeekHigh:14.45
symbol:"CSAN3"
logourl:"https://icons.brapi.dev/icons/CSAN3.svg"
▶
summaryProfile:{} 25 keys
priceEarnings:null
earningsPerShare:-6.0475096
▶
dividendsData:{} 3 keys
}